Sony STR-DE685 Service Manual ▷ View online
16
STR-DE685
Pin No.
Pin Name
I/O
Description
56
POWER KEY
I
Detect power switch key
57
JOG (B)
I
Jog encoder signal input (–)
58
JOG (A)
I
Jog encoder signal input (+)
59
VOL (B)
I
Volume encoder signal input (–)
60
VOL (A)
I
Volume encoder signal input (+)
61
DIN
O
Serial data output to FL driver
62
CLK
O
Clock signal output to FL driver
63
FL_STB
O
Strobe signal output to FL driver
64
CONTROL A1 OUT
O
Control A1 II signal output
65
CONTROL A1 IN
I
Control A1 II signal input
66
POWER RELAY
O
Control power relay driver output
67
PROTECTOR
I
Detect protector status input
68
HEADPHONE RELAY
O
Control headphone relay driver output
69
WOOFER RELAY
O
Control woofer speaker relay driver output
70
REAR RELAY
O
Control rear speaker relay driver output
71
CENTER RELAY
O
Control center speaker relay driver output
72
PREOUT/FRONT RELAY
O
Control front speaker relay driver output
73
TUNED
O
Tuned signal output to tuner
74
STEREO
O
Stereo signal output to tuner
75
MUTE
O
Mute signal output to tuner
76
DO
I
Serial data input for tuner
77
RSTX
I
Reset signal input
78
SLATCH
O
Latch signal to tuner
79
X1A
—
Not used (open)
80
X0A
—
Not used (connected to ground)
81
VSS
—
Ground
82
X0
I
Clock signal input (20 MHz)
83
X1
O
Clock signal output (20 MHz)
84
VCC3
I
Power supply
85
NC
I
Not used
86
NC
O
Not used
87 to 90
SW4 to SW1
O
Video input select signal output
91
SELECT1
O
Optical input select signal output
92
SELECT2
O
Optical input select signal output
93
XMODE
O
Mode signal output to DIR
94
CKSEL1
O
Clock select signal output to DIR
95
CLK
O
Clock signal output to DIR
96
CE
O
Chip select signal output to DIR
97
DI
O
Serial data output to DIR
98
DO
I
Serial data input for DIR
99
ERROR
I
Error signal input for DIR
100
XSTATE
I
XSTATE signal input for DIR
STR-DE685
17
17
4-2. BLOCK DIAGRAM — TUNER/AUDIO SECTION —
1
2
67
R-CH
R-CH
R-CH
J402 (1/2)
J403
J404 (1/2)
J401
-3
L
-4
R
IN
CD/SACD
DVD/LD
MD/TAPE
AUDIO
IN
FM 75Ω
COAXIAL
AM
ANTENNA
TU+10V
TM301
FM/AM TUNER PACK
TU+3.3V
+10V
L CH
R CH
STEREO
TUNED
MUTE
CE
RDS SIGNAL
RDS DATA
RDS CLOCK
STEREO
TUNED
MUTE
SLATCH
DO
FM OUT
RDS DATA
RDS INT
STEREO
TUNED
MUTE
CE
CLK
DATA
DO/DI
DATA
CLK
LATCH VOL IC
WOOFER RELAY
ST-DO/MC-DI
ST-DI/MC-DO
CLK
AEP,UK,AUS MODEL
STEREO
TUNED
MUTE
CE
DO/DI
DATA
CLK
FM SIGNAL OUT
RDS DATA
FM OUT
RDS DATA
RDS INT
RDS INT
R-CH
LREC 3
61
LREC 1
10
ALOUT
9
AROUT
R-CH
IN 8
IN 9
IN 5
IN 6
IN 7
IN 8
IN 1
IN 2
IN 3
AL IN
ASL IN
ASW IN
AC IN
IN 10
69
68
70
71
R-CH
R-CH
VIDEO 1
VIDEO 2
AUDIO
IN
AUDIO
IN
62
63
64
R-CH
R-CH
MULTI
CH IN
FRONT
SURROUND
CENTER
SUB
WOOFER
13
16
29
43
53
52
76
73
75
78
76
14
15
16
69
32
31
27
49
LSELOUT
45
SLDELOUT
50
46
37
CSELOUT
38
51
LOUT
47
39
33
SWSELOUT
34
35
5
7
SLOUT
55
ROUT
R-CH
R-CH
43
SROUT
COUT
SWOUT
20
21
22
R-CH
J298 (1/2)
-2
L
-3
R
AUDIO
VIDEO 3
IN
R-CH
R-CH
R-IN
L-IN
J402 (2/2)
-5
R
-6
L
OUT
MD/TAPE
VIDEO 1
J404 (2/2)
-3
L
-4
R
AUDIO
OUT
-1
L
-2
R
-5
L
-6
R
-1
L
-2
R
-1
L
-2
R
-3
L
-4
R
IN
-3
L
-4
R
15
MUTE
Q361,362
MUTE
Q365,366
MUTE
Q363
MUTE
Q364
RELAY
DRIVER
Q560
DSLIN
DSWIN
DCIN
DLIN
DSL IN
DSW IN
DC IN
DL IN
MCU
I/F
DATA
CLK
LATCH
DIR
FUNCTION
SELECT
IC201
RY560
Q379
INV.
FC MUTE
J405
SUB
WOOFER
AUDIO
OUT
FL-CH
FR-CH
SL-CH
SR-CH
C-CH
WOOFER
AMP
IC401
3
R-CH
-1
L
-2
R
IN
AUX
11
0/6/12dB
0/6/12dB
0/6/12dB
0/6/12dB
0/6/12dB
ATT
0/-6dB
+3.3V
REG
Q471
+7V
VCC
+3.3V
+7V
-6
-5
TUNER
VOL IC/
TUNER
SYSTEM
CONTROL
IC1601 (1/4)
POWER
SECTION
4
DIGITAL
SECTION
1
DIGITAL
SECTION
2
DIGITAL
SECTION
3
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: VIDEO (AUDIO)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
• Abbreviation
AUS: Australian model
(Page 18)
(Page 18)
(Page 18)
(Page 21)
Ver 1.1
STR-DE685
18
18
4-3. BLOCK DIAGRAM — DIGITAL SECTION —
30
+5V-2
AVDD
AMP
IC1502
DSI1
SDTI1
LOUT1
LOUT 3
ROUT 3
LOUT 2
SD01
SDTO
29
9
18
GP8
AUDIO
DOUT
24
69
KFSI0
CKOUT 13
22
BCKI2
BCK 14
29
LRCKI2
LRCK 15
28
DSI2
CS
WE
DATAO
SCKOUT
MCLKI 39
14
23
6
SDTI2
SD02 24
7
SDTI3
SD03 25
8
27
GP10 67
LRCK
LRCKO 19
5
BCK
BCKO 20
4
17
X1201
13.5MHz
MCLK1 9
MCLK2 12
CSO 44
WEO 45
68 56
108,107,105 -102,99,
98,79 - 77,75 - 72
24 - 27,42 - 44,
1 - 5,18 - 21
29 - 32,35 - 38,
16-13,10 - 7
112,110,109,99 - 92,
85-82,66 - 64
6
17
2 113
36
35 33 34
32
3
2
1
6 7
4
18 19 20
5
EXLOCK
ERROR
21
99
1
95
96
97
98
94
100
38
37
36
35
33
47
17
3
43
42
41
8
9
10
12
13
DAC
DAC
DAC
DAC
23
24
25
AUDIO
I/F
(2/2)
INPUT
DATA
DEMODULATOR
Pa,Pb DETECTION
LOCK
DETECTION
MICROPROCESSOR
I/F
C bit DETECTION
34
59
16
30
DVD/LD
IN
DIGITAL
COAXIAL
VIDEO 2
IN
OPTICAL
OUT
IC1104
IC1102
DIR
IC1101
J1101
2
3
WAVE
SHAPER
6
7
2
1
+5V-1
D5V
+2.5V
VDDI
+3.3V
VDDE
+3.3V
VDD
NC
L-IN
R-IN
FC MUTE
R-CH
L IN-
L IN+
LPF
AUDIO
I/F
(1/2)
CODEC
IC1501
IC1501
DSP
IC1201
SRAM
IC1202
DLIN
DCIN
DSWIN
DSLIN
PD
S.MUTE
CDT1
CCLK
CS
PD
SMUTE
CDT1
SCL
CS
CODEC
GP9
DATAO
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
GP9
HACN
BST
HCS
XRST
HDIN
PM
HDOUT
HCLK
DSP
CLK
92
SELECT2
91
SELECT1
CE
DI
DO
CKSEL1
XSTATE
CLK
CE
DI
DO
BPSYNC
CKSEL1
XSTATE
DIR
5
4
1
CD/SACD
IN
OPTICAL
OUT
IC1106
OPTICAL SELECTOR
IC1103
3
1
MD/TAPE
IN
OPTICAL
OUT
IC1105
3
MD/TAPE
OUT
OPTICAL
DIN
IC1107
X1101
12.288MHz
21
22
XOUT
XIN
F.MUTE
Q1601
INV.
ERROR
24 ANA/DIN
D1601
D1101
D0-15
A0-15
D0-15
A0-15
SYSTEM
CONTROL
IC1601 (2/4)
TUNER/
AUDIO
SECTION
3
TUNER/
AUDIO
SECTION
2
TUNER/
AUDIO
SECTION
1
ADC
2
DIN2
DIN1
DIN0
6
7
14
2
5
4
3
A
B
• Signal path
: TUNER (FM/AM)
: CD (ANALOG)
: CD (DIGITAL)
• R-ch is omitted due to
same as L-ch.
same as L-ch.
(Page 17)
(Page 17)
(Page 17)
STR-DE685
19
19
4-4. BLOCK DIAGRAM — KEY/DISPLAY SECTION —
83
61
7
14 - 29
42 - 31
82
34
33
5
6
62
8
63
29
32
31
30
26
60
59
54
38
9
1
2
4
SW NETWORK S100-109
39
SW NETWORK S110-118
40
SW NETWORK S120-127
41
SW NETWORK S130-139
RV102
MASTER
VOLUME
VOLUME
LED
DRIVERS
Q100-104
56
28
27
51
49
77
+3.3V
(STBY)
RESET
IC1602
X1
X0
SDA
EEPROM
SCL
POWER KEY
SP SWITCH/FLASH1
FLASH2
MD2
MD0
RSTX
FL101
FLUORESCENT
INDICATOR
TUBE
F1
F2
DIN
CLK
STB
SW1
SW2
3
SW3
SW4
SDA
SCL
EEPROM
IC1604
65
64
CONTROL A1 IN
CONTROL A1 OUT
CONTROL A1 OUT
I/O
BUFFER
Q1607,D1603
X1601
20MHz
87 SW4
VIDEO SW
VIDEO SW4
88 SW3
VIDEO SW3
89 SW2
VIDEO SW2
90 SW1
VIDEO SW1
DIN
FL DRV/
LED DRV
BUFFER
IC101
+5V-1
CLK
FL_STB
MCH LED
AFD
2CH
MODE
DCS LED
SIRCS
VOL(A)
VOL(B)
VOL(B)
A/D0
A/D1
A/D2
A/D3
5
4
2
1
10
9
6
3
8
1
3
58
57
RV101
ROTARY ENCODER
(JOG DIAL)
JOG(A)
JOG(B)
JOG(B)
1
3
FL DISPLAY
DRIVER
IC100
SEG1-16 GRID1-16
Q109
Q111
Q110
LED DRIVER
Q106-108
LED
MATRIX
D110-114
D100,
D102-104
D102-104
1
REMOTE
CONTROL
RECEIVER
IC102
OUT
SIRCS
+5V-1
SYSTEM
CONTROL
IC1601 (3/4)
CNS3
FLASH1
FLASH2
MD2
MD0
RESET
RESET
1
2
7
6
6
5
FLASH
PROGRAMMING
S141
AFD-LED
MCH-LED
MODE-LED
DCS-LED
2CH-LED
1
2
I
/ I
S142
SPEAKER
A/B
J254
CTRL
A1
VIDEO
SECTION
5
(Page 20)
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